| Erloy | |
| Commune Status: | Commune |
| Arrondissement: | Vervins |
| Canton: | Vervins |
| Insee: | 02284 |
| Postal Code: | 02260 |
| Mayor: | Raymond Predhomme[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Thiérache du Centre |
| Coordinates: | 49.9142°N 3.8306°W |
| Elevation M: | 121 |
| Elevation Min M: | 112 |
| Elevation Max M: | 211 |
| Area Km2: | 7.44 |
Erloy (in French pronounced as /ɛʁlwa/) is a commune in the Aisne department in Hauts-de-France in northern France.